Product specifications. Quantity delivered: 25 pieces Material: Kraft paper + PE Color: Brown Maximum food temperature: 120 Microwave: Can use Refrigerator: Can use Oven: Not applicable Product Environmental Protection and Durability It is made of food-grade, eco-friendly brown kraft paper. environment, and the inner wall is lined with PE, which is durable and effective in preventing leakage and oil pollution. Food Grade MaterialsOur paper cups are made from biodegradable materials. Food-grade kraft paper is very safe, non-toxic and tasteless, and safe for babies and the elderly. High Temperature and Cold ResistanceThe take-out carton can withstand a temperature difference of - 20-120, so it is suitable for any food whether it is boiling liquid or ice cream. Enhanced Heat Insulation Technology The paper cup lid has an extra layer to reduce heat loss. The two-layer ventilation design ensures air circulation and the liquid does not escape easily, ensuring the best taste of food. Suitable for Families and Restaurants Whether you bring your own food or take away, biodegradable paper cups are the perfect choice, such as ice cream, pasta, juice, salad, hot soup, yogurt, dessert.